Question 1000843: andrea sells cell phones in sydney, but never on sunday. she is paid $3.500 a month plus 20% of her monthly sales. she needs tk earn at least $4,800 a month to pay for her rent, food, fun and other life essentials to afford her lifestyle, what amount of sales will andrea need to achieve?
Answer by ikleyn(52893)   (Show Source):
You can put this solution on YOUR website! .
This phrase is shiny:
"Andrea sells cell phones in Sydney, but never on Sunday."
Bravo !!! Where did you take it?
OK, now to the solution. The equation to solve it is
3500 + 0.2*x = 4800,
where x is an unknown amount of sales which Andrea needs to achieve.
Simplify and solve it:
0.2x = 4800 - 3500,
0.2x = 1300,
x =  = 6500.
Answer. $6500.
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